85135406485 has 16 divisors (see below), whose sum is σ = 106902696960. Its totient is φ = 65008379520.

The previous prime is 85135406449. The next prime is 85135406533. The reversal of 85135406485 is 58460453158.

It is not a de Polignac number, because 85135406485 - 2⁷ = 85135406357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3750745 + ... + 3773374.

It is an arithmetic number, because the mean of its divisors is an integer number (6681418560).

Almost surely, 2^85135406485 is an apocalyptic number.

It is an amenable number.

85135406485 is a deficient number, since it is larger than the sum of its proper divisors (21767290475).

85135406485 is a wasteful number, since it uses less digits than its factorization.

85135406485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524228.

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 85135406485 in words is "eighty-five billion, one hundred thirty-five million, four hundred six thousand, four hundred eighty-five".